'use strict';

const Controller = require('egg').Controller;

class BannerController extends Controller {
  async index() {
    const {ctx} = this;
    var db =  this.app.mongodb;
        var res =await db.collection("banner").find().toArray();
       if(res.length>0){
        ctx.body ={
            status:200,
            res
        }
       }else{
           ctx.status = 400;
           ctx.body = {
               status:400,
               msg:"数据库输入的参数不合法"
           }
       }
  }
}

module.exports = BannerController;
